When connect to computer with USB cable, two yellow LED will light up and at the same time, and you can operate the user software.Please notice the USB jack is not for power in

How Use The Software?Import music:Click the [Import] button and chose a path to store the file. The file format is mono 48 KHz 24 bit wave;Export music:Click the [Export] button and chose a file to load. The file format must be mono/stereo 48 KHz/44.1Khz 16bit/24bit wave. - The stereo wave file only loads the left channel.